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Contamination and pollution
Introduction of harmful substances into the environment by human action or natural processes.
Subtopics:
Industrial pollution (25 items)
Nonpoint-source pollution (11 items)
Pesticide and herbicide contamination (24 items)
Pharmaceutical contamination (3 items)
Toxic radionuclide contamination (12 items)
Toxic trace element contamination (40 items)

Water pollution (13 items)
Soil pollution (1 items)
Air pollution (7 items)
Related topics:


Results 121 - 130 of 182 listed by similarity [list alphabetically]
Energy and minerals, and environmental health [More info]
Research and assessments on mineral and energy resources, the economic and environmental effects of resource extraction and use; and on human activities that introduce chemical and pathogenic contaminants into the environment.
Environmental mercury mapping, modeling, and analysis [More info]
Online tools for mapping mercury data in the environment, with downloadable data from monitoring studies
Environmental studies of the World Trade Center area after the September 11, 2001 attack [More info]
Report describing the results of an interdisciplinary environmental study of the World Trade Center (WTC) area after the attack on September 11, 2001. The investigations included imaging spectroscopy mapping and laboratory analysis.
Fragile environments: San Francisco Bay wetlands [More info]
Overview with links to studies on the effects of human activity on the San Francisco estuary with loss of historic fresh and saltwater tidal marshes reducing habitats, introducing contaminants in waste, and creating dredging problems.
Geologic studies of mercury [More info]
Collection of six short papers related to the mercury geochemical society, the study of mercury in coal, concentrations in sediment, soil, water, and fish collected near mercury and gold mines, and volanic emissions of mercury.
Great Lakes Beach Health Initiative [More info]
Research and development efforts to improve our ability to provide scientific information needed by local beach managers faced with questions about environmental quality and possible beach closure or resource usage.
Gulf of the Farallones disposal issues: disposal and waste disposal [More info]
Study of the effects on the Gulf of the Farallones National Marine Sanctuary resulting from the disposal of San Francisco dredged material and barrels of low-level radioactive waste with links to publications and atlas with digital images.
Health effects of mineral dusts [More info]
Overview of project to develop and apply a variety of earth science methods to interpret the geologic links between mineral dusts such as silica and asbestos and human health problems with links to contacts, tasks, and products.
Hydrology of Johnson Creek Basin, a Mixed-Use Drainage Basin in the Portland, Oregon, Metropolitan Area [More info]
Study of a small stream that has had a history of persistent flooding and water-quality problems.
Hypoxia [More info]
A brief definition and explanation of hypoxia with special reference to the Gulf of Mexico hypoxic zone along the Louisiana-Texas coast as well as extensive links to USGS and other related information resources.
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